Jonathan Chason, D.M.D. Orthodontist

Dr. Jonathan Chason, an orthodontist, completed his undergraduate education at The George Washington University and was awarded his D.M.D. from Tufts University School of Dental Medicine where he graduated summa cum laude. He then received his Certificate in Orthodontics from Tufts University as well.

His academic interests are in Growth & Development and Functional Appliance Therapy. Dr. Chason currently resides in Westborough and has two children, Lexi and Andrew.

Boston Magazine has recognized Dr. Chason in their Top Dentists 2019 issue. Dentists receiving this distinction were voted by their peers and Dr. Chason is honored to be selected.

Scott Harsfield, D.M.D. Orthodontist

Dr. Scott Harsfield grew up in Canton, Massachusetts. He graduated cum laude from The University of Vermont with a degree in Biological Science in 1996. He then entered Tufts University School of Dental Medicine and was awarded his D.M.D. in May of 2000. Upon graduation, Dr. Harsfield completed a residency at the Harvard University School of Dental Medicine. He then returned to Tufts University School of Dental Medicine and completed the Advanced Education Program in Orthodontics and Dentofacial Orthopedics in June of 2004. Dr. Harsfield's research, Squamous Cell Carcinoma Presenting as Endodontic and Periodontic Lesions, was published in The Journal of Periodontology in 2005. Since completing his orthodontic training, Dr. Harsfield has been an associate at practices on the south shore of Massachusetts and in Rhode Island.

Dr. Harsfield lives in Sharon with his wife, two sons and one daughter. He is an avid Boston sports fan and enjoys biking, skiing and spending time with his family on Cape Cod.

Boston Magazine has recognized Dr. Harsfield in their Top Dentists 2019 issue. Dentists receiving this distinction were voted by their peers and Dr. Harsfield is honored to be selected.

Adam Donnell, D.M.D., M.S. Orthodontist

Dr. Adam Donnell, a Board-Certified Orthodontist, was born and raised in Connecticut. He was awarded his D.M.D. from the Harvard School of Dental Medicine. Dr. Donnell served as president of his dental class and was inducted into Omicron Kappa Upsilon, the National Dental Honors Society. Upon graduation, Dr. Donnell completed an orthodontic residency at the University of Michigan, where he was awarded a Master of Science in Orthodontics. Dr. Donnell is a diplomate of the American Board of Orthodontics, and is a part-time orthodontic faculty member at the Harvard School of Dental Medicine.

Dr. Donnell was the 2016 recipient of the Anthony Gianelly Award from the Massachusetts Association of Orthodontists, which recognizes one orthodontist each year for contributing to the field.

His academic interests include novel treatments for temporomandibular disorders. Dr. Donnell lives in Boston with his wife Zoe, daughter Ruby, and their dog Cody. In their free time they enjoy cheering for Boston sports teams, sailing on the Charles, and traveling to see friends and family.

Boston Magazine has recognized Dr. Donnell in their Top Dentists 2019
issue. Dentists receiving this distinction were voted by their peers
and Dr. Donnell is honored to be selected.
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Benjamin Roth, D.M.D. Orthodontist

Dr. Benjamin Roth, a Board-Certified Orthodontist, was born and raised in Philadelphia, Pennsylvania and earned his Doctorate at Temple University. He continued his post graduate studies at Albert Einstein Medical Center, completing a one-year General Practice Residency and a three-year specialty Orthodontic Residency. While earning his certificate in Orthodontics, Dr. Roth also completed his thesis at the Lancaster Cleft Palate Clinic in Lancaster, Pennsylvania-gaining special insight into the treatment of patients with cleft lip and palate.

Dr. Roth loves working with children and families, and developing smiles that can last a lifetime.

In his free time, Dr. Roth enjoys spending time with his wife and daughters and their rescue dog, Uno. He is an avid cook, and can often be found trying to duplicate his favorite restaurant dishes. Dr. Roth also enjoys running marathons and skiing.

Richard Bruun, D.D.S. Administrative Partner, Retired
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Dr. Bruun, an orthodontist and pediatric dentist, completed his undergraduate education at SUNY Stonybrook and was awarded his D.D.S. from SUNY Stonybrook School of Dental Medicine. He completed his training in orthodontics at the Boston University Goldman School of Graduate dentistry and his training in Pediatric Dentistry at the Boston Children's Hospital and the Harvard School of Dental Medicine.

He is a Senior Associate at Boston Children's Hospital and an Assistant Clinical Professor of Oral and Developmental Biology at the Harvard School of Dental Medicine. He is a member of the Cleft Lip and Palate and Craniofacial Teams at Boston Children's Hospital.
He is also the co-director of the Fellowship in Craniofacial Orthodontics at Boston Children's Hospital. Dr. Bruun's academic interests include cleft lip and palate and craniofacial anomalies.

Dr. Bruun became an administrative partner in 2009, consulting with his partner group on various patient cases and practice initiatives until his retirement from Chestnut Dental in 2017.

Jack Hertzberg, D.M.D. Founding Partner, Retired

Dr. Jack Hertzberg, an orthodontist and pediatric dentist, completed his undergraduate education at Case Western Reserve University and was awarded his D.M.D. from the University of Pennsylvania. He received his training in orthodontics at the Boston University Goldman School of Graduate Dentistry and his training in Pediatric Dentistry at the Boston Children's Hospital and the Harvard School of Dental Medicine.

He is a Diplomate of the American Board of Pediatric Dentistry, Senior Associate (emeritus) at Boston Children's Hospital, Adjunct Professor at Boston Children's Hospital, and clinical instructor (emeritus) in orthodontics and pediatric dentistry at the Harvard School of Dental Medicine. His academic interests include Invisalign® and occlusal development and orthodontics in the dental curriculum.

Dr. Hertzberg and his wife, Lorraine, reside in Newton. They have four children - Anne, Emily, Neal and Bradley. Anne, his oldest daughter, is a pediatric dentist at Chestnut Dental and also holds academic appointments at Boston Children's Hospital and the Harvard School of Dental Medicine.

Dr. Hertzberg treated patients in our Needham office from 1977 until his well-deserved retirement in 2018.